Helical motion
[化] 螺旋运动
🧩 词语组成解析
a. 螺旋状的\\n[电] 螺线
motion
['məuʃən]
n. 运动;手势;动机，意向;请求;
vt. 打手势;向某人点头或摇头示意;打手势要求[指示];
vi. 运动;打手势;
🗣️ 情景例句
Grandpa really loves his family, doesn't he?
爷爷确实很爱这个家， 是吗？
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
Alfred had learned many of their ballads in his youth,
阿尔弗德年轻时学过许多民歌，